LINE 推送组件化重构

SELECT id AS task_id, business_type, business_key, status,
       CASE status
         WHEN 2 THEN 'SUCCESS' WHEN 3 THEN 'DELETED'
         WHEN 4 THEN 'PREPARING' WHEN 5 THEN 'PENDING'
         WHEN 6 THEN 'SENDING' ELSE CONCAT('UNKNOWN_', status)
       END AS status_name,
       plan_time, send_total, suc_total, created_at
FROM t591_new.push_line_task
WHERE business_type IN (
  'owner_valuation_banner_component',
  'buyer_viewing_component'
)
ORDER BY id DESC
LIMIT 30;

SET @task_id := 12345;

SELECT t.id AS task_id, t.business_type, t.business_key,
       t.status AS task_status, t.plan_time, t.send_total, t.suc_total,
       COUNT(r.id) AS record_total,
       SUM(r.status = 0) AS pending_count,
       SUM(r.status = 1) AS success_count,
       SUM(r.status = 2) AS failure_count,
       SUM(r.status = 3) AS arrive_count,
       SUM(r.status = 4) AS skipped_count,
       SUM(r.status = 5) AS sending_count,
       ROUND(100 * SUM(r.status IN (1,2,3,4)) /
             NULLIF(COUNT(r.id), 0), 2) AS settled_percent,
       MIN(r.updated_at) AS first_updated_at,
       MAX(r.updated_at) AS last_updated_at
FROM t591_new.push_line_task AS t
LEFT JOIN t591_new.push_line_records AS r ON r.pid = t.id
WHERE t.id = @task_id
GROUP BY t.id, t.business_type, t.business_key, t.status,
         t.plan_time, t.send_total, t.suc_total;

SET @task_id := 12345;

SELECT id AS record_id, business_id, line_id, user_id,
       delivery_id, status, updated_at
FROM t591_new.push_line_records
WHERE pid = @task_id
  AND status IN (0, 2, 4, 5)
ORDER BY status, id
LIMIT 1000;

SET @task_id := 12345;

SELECT DATE_FORMAT(updated_at, '%Y-%m-%d %H:%i:00') AS minute_bucket,
       SUM(status = 1) AS success_count,
       SUM(status = 2) AS failure_count,
       SUM(status = 4) AS skipped_count,
       COUNT(*) AS settled_count
FROM t591_new.push_line_records
WHERE pid = @task_id AND status IN (1, 2, 4)
GROUP BY DATE_FORMAT(updated_at, '%Y-%m-%d %H:%i:00')
ORDER BY minute_bucket;

updated_at 是状态更新时间，仅用于观察趋势。

SHOW FULL COLUMNS FROM t591_new.push_line_task;
SHOW INDEX FROM t591_new.push_line_task;
SHOW FULL COLUMNS FROM t591_new.push_line_records;
SHOW INDEX FROM t591_new.push_line_records;

SELECT business_type, business_key, COUNT(*) AS duplicate_count
FROM t591_new.push_line_task
WHERE business_type IS NOT NULL AND business_key IS NOT NULL
GROUP BY business_type, business_key
HAVING COUNT(*) > 1;

SELECT business_type, business_id, COUNT(*) AS duplicate_count
FROM t591_new.push_line_records
WHERE business_type IS NOT NULL AND business_id IS NOT NULL
GROUP BY business_type, business_id
HAVING COUNT(*) > 1;